Boom Supersonic sans Sonic boom

The airspace in which Boom Supersonic complete its test holds historic significance—known as the Bell X-1 Supersonic Corridor, the area is named after the first plane to break the sound barrier ...
Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph ...
Boom Supersonic's XB-1 demonstrator aircraft reached a major milestone on Jan. 28, when it broke the sound barrier for the first ... who tells me that from inside the aircraft, going supersonic ...
Boom hopes its breakthrough will allow supersonic flights over land, making US coast-to-coast flights 90 minutes faster.
Boom, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave, California. The company’s XB-1 ...